(1) See loyalty punch card. (2) An early storage medium made of thin cardboard stock that held data as patterns of punched holes. Also called "punched" cards, each of the 80 or 96 columns held one ...

Most people didn’t really use the switches. What most people did do, however, was punch cards. Technically, Hollerith cards, although we mostly just called them cards, punched cards ...

A Hackaday card, thanks to the online card punch It is hard to remember, but there was a time when cards reigned supreme. Sometimes called Hollerith cards after Herman Hollerith, who introduced ...

This adorable DIY punch card activity, which I discovered on Instagrammer Emilia Marie's (@emiliamariehome) feed, is a great way to create an easy plan to stay motivated. Plus, it's a fun craft to ...

A punch-card data entry machine. A deck of blank cards was placed into a hopper, and, upon operator command, the machine fed one card to a punch station. As characters were typed, a series of dies ...